JPS61206897A - Heat-insulating material and laminating method thereof - Google Patents

Heat-insulating material and laminating method thereof

Info

Publication number
JPS61206897A
JPS61206897A JP4651385A JP4651385A JPS61206897A JP S61206897 A JPS61206897 A JP S61206897A JP 4651385 A JP4651385 A JP 4651385A JP 4651385 A JP4651385 A JP 4651385A JP S61206897 A JPS61206897 A JP S61206897A
Authority
JP
Japan
Prior art keywords
heat
insulating material
heat insulating
spacer
bright surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP4651385A
Other languages
Japanese (ja)
Inventor
典英 佐保
今村 実
忠 高田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP4651385A priority Critical patent/JPS61206897A/en
Publication of JPS61206897A publication Critical patent/JPS61206897A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/08Means for preventing radiation, e.g. with metal foil

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Insulation (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 温容器等に使用する断熱材に好適な断熱材および積層方
法に関するものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a heat insulating material suitable for use in hot containers and the like and a laminating method.

〔発明の背景〕[Background of the invention]

従来の断熱材は、特開昭55−139590号公報tC
iIe載のように、アルミニウムを蒸着した輻射伝熱防
止用の反射膜と、ポリエステルやポリアミド等の含酸繊
維を使用し形状が不織布や紙状の平板体の伝導伝熱防止
用のスペーサとを交互に全面均−c#I層して断熱材を
構成したものがあった。
The conventional heat insulating material is disclosed in Japanese Patent Application Laid-Open No. 55-139590 tC
As shown in iIe, a reflective film made of vapor-deposited aluminum to prevent radiation heat transfer, and a spacer made of acid-containing fibers such as polyester or polyamide and a flat plate shaped like non-woven fabric or paper to prevent conductive heat transfer. There was one in which the heat insulating material was composed of alternately uniform -c#I layers.

この場合、スペーサを通じて積層方向に伝導する単位積
層面積当りの熱針は均一で、低温容器等に魯き付けた断
熱材施工部全面積に侵入する熱量は比較的大きくなる。
In this case, the amount of heat per unit stacked area conducted in the stacking direction through the spacer is uniform, and the amount of heat penetrating the entire area of the insulation material installed in the low temperature container etc. becomes relatively large.

したがって従来の断熱材では、断熱材施工部において局
部的な熱侵入低減構造を採って、総會的に熱侵入量を低
減する点については配慮されていなかった。
Therefore, with conventional heat insulating materials, consideration has not been given to reducing the amount of heat intrusion as a whole by adopting a structure for reducing heat infiltration locally in the area where the heat insulating material is installed.

〔発明の目的〕[Purpose of the invention]

本発明め目的は、輻射伝熱および伝導伝熱による熱移動
量を少なくすることにより、良好な断熱性能を持つ断熱
材および積層方法を提供することにある。
An object of the present invention is to provide a heat insulating material and a lamination method that have good heat insulation performance by reducing the amount of heat transfer due to radiant heat transfer and conductive heat transfer.

〔発明の概要〕[Summary of the invention]

本発明は、輝面フィルムtこ凹凸断面形状を持つスペー
サを部分的に取り付けたことを特徴とし、輻射伝熱およ
び伝導伝熱による熱移動量を少なくすることにより、良
好な断熱性能を持つ断熱板・としたものであり、また、
輝曲フィルムに凹凸断面形状を持つスペーサを部分的に
取り付けた断熱材を、内容器の外面に最終層もしくは中
間層まで積s−f″ることを特徴とし、輻射伝熱および
伝導伝熱による熱移動社を少なくして、良好な断熱性能
を得らnる積層方法である。
The present invention is characterized by partially attaching a spacer having a convex and concave cross-sectional shape to a bright surface film, and by reducing the amount of heat transfer due to radiant heat transfer and conductive heat transfer, a heat insulating film with good heat insulating performance is achieved. It is a plate, and also,
A heat insulating material made by partially attaching a spacer with an uneven cross-section to a luminescent film is stacked on the outer surface of the inner container up to the final layer or intermediate layer. This is a lamination method that reduces the number of heat transfer layers and provides good heat insulation performance.

〔分明の実施例〕[Example of understanding]

以下、本発明の一実施例を@1図〜第5図により説明す
る。第1図は、輝面フィルム10とスペーサ20とを組
み含わせた一対の断熱材を示したものである。輝面フィ
ルム10は、例えば厚さ25μmのポリイミドフィルム
の両面に80 OA−&[のアルミニウム蒸着膜を有す
るフィルムであり、スペーサ20は、同じく厚さ25μ
mのポリイミドフィルムで、その片面または両面にアル
ミニウム蒸着したもの又はアルミニウム蒸着していない
もので、山高さが約1sm程度の凹凸処理例えば、第2
図tこ示すようなエンボス加工を行ったものである。第
3図は、第1図のX−X断面図を示し、輝面フィルムl
O上に、ある間隔でスペーサ20を配列支持したもので
ある。輝面フィルム10とスペーサ20との支持は、そ
れぞnの接触面の数ケ所を例えば両面接着テープまたは
接着材等で固着したものである。第4図は、一対の断熱
材を、大気と真空隔離する配管40内にあって断熱した
い内容器である低温配管30の外面上に。
An embodiment of the present invention will be described below with reference to FIGS. 1 to 5. FIG. 1 shows a pair of heat insulating materials in which a bright surface film 10 and a spacer 20 are combined. The bright surface film 10 is, for example, a polyimide film with a thickness of 25 μm and an aluminum vapor-deposited film of 80 OA−2 on both sides, and the spacer 20 is also made of a polyimide film with a thickness of 25 μm.
m polyimide film with aluminum evaporated on one or both sides, or without aluminum evaporation, with unevenness treatment with a peak height of about 1 sm, for example, second
The embossing process shown in Figure t was performed. FIG. 3 shows a sectional view taken along line XX in FIG.
Spacers 20 are arranged and supported at certain intervals on O. The bright surface film 10 and the spacer 20 are supported by fixing several points of each n contact surface with, for example, double-sided adhesive tape or an adhesive. In FIG. 4, a pair of heat insulating materials are placed on the outer surface of a low-temperature pipe 30, which is an inner container to be insulated, within a pipe 40 that is vacuum isolated from the atmosphere.

ロール状にek付け、断熱構造体として成形した形を示
している。空間5は真空空間である。
It shows the shape of a roll with ek applied and molded as a heat insulating structure. Space 5 is a vacuum space.

第4図において、輝面フィルム10と、スペーサ20と
の積層部Aは、従来の積層断熱材の様に配管40からの
輻射熱を輻射伝熱および伝導伝熱によって低温配管30
に伝える。しかし、輝面フィルムlO同士の非接触輝面
フィルム槓層部Bは、配管40からの輻射熱を輻射伝熱
のみによって低温配管30C伝える。
In FIG. 4, the laminated part A of the bright surface film 10 and the spacer 20 transfers radiant heat from the piping 40 to the low-temperature piping 30 by radiant heat transfer and conductive heat transfer, like a conventional laminated insulation material.
tell. However, the non-contact bright surface film layer part B between the bright surface films 1O transmits the radiant heat from the pipe 40 to the low temperature pipe 30C only by radiant heat transfer.

ここで、輝面フィルム10とスペーサ20との積層部A
の断熱性能は、第5図に示す輝面フィルム枚数と単位面
積当りの熱侵入量q(W/j)のグラフ中の曲線Cc示
す特性を有し、非接触輝面フィルム横肩部Bの断熱性能
は、直線DIc示す特性を有する。積層部Bの断熱性能
は、輝面フィルムの枚数の増加に伴って、積層部Aの断
熱性能より優n、ている。したがって、積層部人と積層
部Bとを粗金せた構造の積層断熱材は、各々の綴金せ面
積割eIC會った断熱性能を示す。また、積層部Bの断
熱材はスペーサを含まない分、軽量となる。
Here, the laminated part A of the bright surface film 10 and the spacer 20 is
The heat insulation performance of has the characteristics shown by the curve Cc in the graph of the number of bright surface films and the amount of heat penetration per unit area q (W/j) shown in Figure 5, and the side shoulder part B of the non-contact bright surface film The heat insulation performance has a characteristic represented by a straight line DIc. The heat insulation performance of the laminated portion B becomes superior to that of the laminated portion A as the number of bright surface films increases. Therefore, a laminated heat insulating material having a structure in which the laminated part and the laminated part B are made of coarse metal exhibits a heat insulation performance that is equal to the eIC of each metal part area. Furthermore, the heat insulating material of the laminated portion B is lightweight because it does not include a spacer.

本実施例によれば、断熱材を輝面フィルムとスペーサと
の積層部と、スペーサを含まない非接触輝面フィルム積
層部とで構成できるので、スペーサの接触面積が少なく
熱侵入量を小さくできる効果がある。
According to this embodiment, the heat insulating material can be composed of a laminated portion of the bright surface film and the spacer and a non-contact bright surface film laminated portion that does not include the spacer, so the contact area of the spacer is small and the amount of heat penetration can be reduced. effective.

次に、本発明の第2の実施例を第6図と第7図とりこよ
り説明する。
Next, a second embodiment of the present invention will be explained with reference to FIGS. 6 and 7.

第6図が前記一実施例と異なる点は、輝面フィルム】0
上に、エンボス加工したポリイミドフィルムのスペーサ
21を格子状にして取り付けた点にある。第7図は、本
断熱材を第4図と同様に。
The difference between FIG. 6 and the above embodiment is that the bright surface film]0
At the top, spacers 21 made of embossed polyimide film are attached in a grid pattern. Figure 7 shows this insulation material in the same way as Figure 4.

低温配管30にロール状C巻き付けた状況を示す。A situation in which a roll-shaped C is wound around a low-temperature pipe 30 is shown.

本実施例によれば、断熱材積層方向において、輝面フィ
ルム10とスペーサ21との接触個所は点在することに
なり、積層方向に隣近するスペーサ21同士は、輝面フ
ィルムに沿って結ぶ伝熱距離が$4図に比べて長くなっ
て、第5図に示す曲線Cの断熱性能よりもqが小さい断
熱性能を示す。
According to this embodiment, the contact points between the bright surface film 10 and the spacers 21 are scattered in the heat insulating material lamination direction, and the spacers 21 adjacent to each other in the lamination direction are connected along the bright surface film. The heat transfer distance is longer than that in Figure $4, and it exhibits insulation performance with q smaller than the insulation performance of curve C shown in Figure 5.

また、スペーサ2】が無い輝面フィルム100対[II
i部分は直線りの特性を示す。また、スペーサ2]が格
子状に存在するので、スペーサ間にまたがる輝面フィル
ム1Gはたるみが少なく、積層状態で上下層の輝面フィ
ルム10と接触することをより防止できる。したがって
、スペーサ21の占める面積が大赦いにもかかわらず、
積層した断熱材の断熱性能は第4図の場合と変らず、ま
た積層断熱材としての剛性を高めることができる効果が
ある。
In addition, 100 pairs of bright surface films without spacer 2 [II
The i portion exhibits linear characteristics. Moreover, since the spacers 2] are present in a lattice shape, the bright surface film 1G extending between the spacers has little sagging, and can be further prevented from coming into contact with the bright surface films 10 of the upper and lower layers in a laminated state. Therefore, although the area occupied by the spacer 21 is large,
The heat insulating performance of the laminated heat insulating material is the same as in the case shown in FIG. 4, and the rigidity of the laminated heat insulating material can be increased.

次に、本発明の第3の実施例を第8図と第9図とにより
説明する。
Next, a third embodiment of the present invention will be described with reference to FIGS. 8 and 9.

第8図が、前記一実施例と異なる点は、輝面フィルム1
0上に配置するスペーサ22を、輝面フィルム22bと
スペーサ22aの複数対から成る!*層体にしたことに
ある。第9図は、本断熱材を第4図と同様−こ、低温配
管30にロール状に巻き付けた状況を示す。本実施例に
よrば、輝面フィルム10とスペーサ22aと輝面フィ
ルム22bとの積層部の断熱性能は、第5図中の曲線C
において、輝部フィルム枚数が、輝面フィルム10と2
2bとのせ計に当たる特性を示し、第4図の場せに比べ
、輝部フィルム枚数が3倍に当たり断熱性能は優1.た
ものとなる。したがって、直線りの特性を損なうことが
なく、すなわちスペーサ22を含まない輝面フィルム】
Oの対面部でのフィルム間隔が増加した分、輝面フィル
ム10同志の接触を防ぎ、直線りの特性を確保しながら
、積層断熱体の断熱性能をさらに向上させる効果がある
The difference between FIG. 8 and the above embodiment is that the bright surface film 1
The spacer 22 disposed on the 0 is composed of a plurality of pairs of a bright surface film 22b and a spacer 22a! *This is due to the fact that it is layered. FIG. 9 shows a state in which the present heat insulating material is wound around the low temperature pipe 30 in a roll, similar to FIG. 4. According to this embodiment, the heat insulation performance of the laminated portion of the bright surface film 10, the spacer 22a, and the bright surface film 22b is the curve C in FIG.
, the number of bright area films is 10 and 2.
Compared to the case shown in Fig. 4, the number of films in the bright area is tripled, and the heat insulation performance is excellent. It becomes something. Therefore, the bright surface film does not impair the straightness characteristic, that is, does not include the spacer 22]
The increased distance between the films at the facing portions of O has the effect of further improving the heat insulation performance of the laminated heat insulating body while preventing the bright surface films 10 from coming into contact with each other and ensuring straightness characteristics.

また、積層した断熱体内に、輝面フィルム10とスペー
サ22とが積層方向に連hitこ接触してf!]JII
した断熱体全体の剛性を維持する積層部人と、間?コス
ヘーサ22を介在せずに輝面フィルム10同志が非接勉
に対面する。NM部Bとが混在できるので、積層部Bで
は熱侵入縁を積層部人より小さくでき、+11層した断
熱体の断熱性能を向上できる効果がある。例えばmM部
Aの輝部フィルム枚数15枚、8部の輝部フィルム枚数
3枚を、外径42m長さ1.5mの低温配管に、積層部
AおよびBの巻付は幅比を1:10で巻ぎ付け、真空度
】×10 ”0r’  ノ真空41内テ、H常m と、
77K(低温配管内温度)との間の断熱性能を実測する
と、全長を積層部Aとした場合tこ比べ、単位面積当り
の熱侵入駄は、約】/3に減少する。
Moreover, the bright surface film 10 and the spacer 22 are in continuous contact with each other in the laminated direction in the laminated heat insulating body, f! ]JII
Between the laminated parts and the insulation that maintains the rigidity of the entire body? The bright surface films 10 face each other in a non-intrusive manner without intervening the cosplayer 22. Since the NM part B and the NM part B can coexist, the heat infiltration edge in the laminated part B can be made smaller than that in the laminated part, which has the effect of improving the heat insulation performance of the +11 layered heat insulating body. For example, 15 pieces of bright part film of mm part A and 3 pieces of bright part film of 8 parts are wrapped in a low temperature pipe with an outer diameter of 42 m and a length of 1.5 m, and the laminated parts A and B are wrapped at a width ratio of 1: Winding with 10, vacuum degree] × 10 ``0r'', inside vacuum 41, H normal m,
When the insulation performance is actually measured between 77K (low-temperature pipe internal temperature), when the entire length is taken as the laminated part A, the heat loss per unit area is reduced to about /3 compared to t.

次に、本発明の第4の実施例を第】O図tこより説明す
る。
Next, a fourth embodiment of the present invention will be explained from FIG.

第】0図が前記−実施例と異なる点は、輝面フィルム1
0上に配置するスペーサ22aと輝面フィルム22bと
の岨蕾せ枚数を、積層方向に異なる様に重ね、すなわち
、低温側の低温配管30に近い方cIll数を多く、常
温の配管40に近い方に層数を少なくシ、かつ、最外層
には、長手方向全体にスペーサ23をet付けたところ
にある。すなわち、本実施例では、積層断熱体では常温
部側が輻射伝熱支配、低温部側が伝導伝熱支配となる点
に注目し、常温部側では輝面フィルム10の積べ 層枚数を多く、低温部側ではスφ−サ22aと輝面フィ
ルム22bとの積層枚数を多くし、同じ積層部ぎ数でよ
り断熱性態をよくでする効果と、最外層に剛性のあるス
ペーサ23を全面IC善き付けることで、積層断熱体の
剛性を高める効果がある。
Figure 0 differs from the above-mentioned example in that the bright surface film 1
The number of spacers 22a and bright surface films 22b placed on the top of the spacer 22a and the bright surface film 22b are stacked differently in the stacking direction, that is, the number closer to the low-temperature pipe 30 on the low-temperature side is larger, and the number closer to the pipe 40 at room temperature is stacked. On the other hand, the number of layers is reduced, and spacers 23 are attached to the outermost layer along the entire longitudinal direction. That is, in this example, attention is paid to the fact that in the laminated heat insulating body, radiation heat transfer is dominated in the room temperature side, and conduction heat transfer is dominated in the low temperature side. On the side, the number of laminated sheets of the spacer 22a and the bright surface film 22b is increased, and the effect of improving the heat insulation property with the same number of laminated sheets, and the rigid spacer 23 on the outermost layer are used to improve the overall IC. This has the effect of increasing the rigidity of the laminated insulation.

〔発明の効果〕〔Effect of the invention〕

本発明によr、ば、輝面フィルムに凹凸断面形状を持つ
スペーサを部分的に取り付けた断熱材を使用することに
より、輻射伝熱および伝導伝熱による熱移動量を少なく
でき、良好な断熱性能を持たせることができるという効
果がある。
According to the present invention, by using a heat insulating material in which a spacer with an uneven cross-sectional shape is partially attached to a bright surface film, the amount of heat transfer due to radiant heat transfer and conductive heat transfer can be reduced, resulting in good heat insulation. This has the effect of increasing performance.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の一実施例である断熱材を示す斜視図、
第2図は第1図のスペーサ20の外観図、第3図は第1
図をXXから見た断面図、第4図は第1図の断熱材を低
温配管にSぎ付けた断面図、第5図は第4図の断熱材の
断熱性能を示すグラフ。 第6図は本発明の第2の実施例である断熱材を示す斜視
図、第7図は第6図の断熱材を低温配管にSぎ付けた断
面図、第8図は本発明の第3の実施例である断熱材を示
す斜視図、第9図は第8図の断熱材を低温配管に−巻き
付けた断面図、第10図は未発明の第4の実施例である
断熱材を低温配管に魯を付けた断面図である。 】0・・・・・・輝面フィルム、20,21および22
・・・・・・スペーサ、30・・・・・・低温配管第3
図 30−−−−41yjiOLa19 第5図 第6図 ;f 8図 1O−=lt$117tt頃 22−−−−スペーサ 30−−−−46温西乙管 オフ0口 223σ23−ス々−サ
FIG. 1 is a perspective view showing a heat insulating material that is an embodiment of the present invention;
Figure 2 is an external view of the spacer 20 in Figure 1, and Figure 3 is an external view of the spacer 20 in Figure 1.
4 is a cross-sectional view of the heat insulating material shown in FIG. 1 attached to low-temperature piping, and FIG. 5 is a graph showing the heat insulation performance of the heat insulating material shown in FIG. 4. FIG. 6 is a perspective view showing a heat insulating material according to a second embodiment of the present invention, FIG. 7 is a cross-sectional view of the heat insulating material shown in FIG. 6 attached to a low-temperature pipe, and FIG. 9 is a sectional view of the heat insulating material of FIG. 8 wrapped around a low-temperature pipe, and FIG. 10 is a perspective view showing the heat insulating material of the fourth embodiment, which has yet to be invented. FIG. 3 is a cross-sectional view of the low-temperature piping with a cross section. ]0...Bright surface film, 20, 21 and 22
・・・・・・Spacer, 30・・・・・・Low temperature piping 3rd
Fig. 30----41yjiOLa19 Fig. 5 Fig. 6;

Claims (1)

【特許請求の範囲】 1、輝面フィルムに凹凸断面形状を持つスペーサを部分
的に取り付けたことを特徴とする断熱材。 2、輝面フィルムに凹凸断面形状を持つスペーサを部分
的に取り付けた断熱材を、内容器の外面に最終層もしく
は中間層まで積層することを特徴とする断熱材の積層方
法。
[Claims] 1. A heat insulating material characterized in that a spacer having an uneven cross-sectional shape is partially attached to a bright surface film. 2. A method for laminating a heat insulating material, which comprises laminating a heat insulating material in which a spacer having an uneven cross section is partially attached to a bright surface film on the outer surface of the inner container up to the final layer or intermediate layer.
JP4651385A 1985-03-11 1985-03-11 Heat-insulating material and laminating method thereof Pending JPS61206897A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4651385A JPS61206897A (en) 1985-03-11 1985-03-11 Heat-insulating material and laminating method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4651385A JPS61206897A (en) 1985-03-11 1985-03-11 Heat-insulating material and laminating method thereof

Publications (1)

Publication Number Publication Date
JPS61206897A true JPS61206897A (en) 1986-09-13

Family

ID=12749340

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4651385A Pending JPS61206897A (en) 1985-03-11 1985-03-11 Heat-insulating material and laminating method thereof

Country Status (1)

Country Link
JP (1) JPS61206897A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018525812A (en) * 2015-06-29 2018-09-06 ヴァリアン セミコンダクター イクイップメント アソシエイツ インコーポレイテッド Thermal shielding for electrostatic chucks
JP2019049328A (en) * 2017-09-11 2019-03-28 トヨタ自動車株式会社 Multilayer heat insulating material
JP2021067254A (en) * 2019-10-28 2021-04-30 株式会社島津製作所 Vacuum pump

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5948917A (en) * 1982-09-14 1984-03-21 松下電器産業株式会社 Electric double layer capacitor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5948917A (en) * 1982-09-14 1984-03-21 松下電器産業株式会社 Electric double layer capacitor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018525812A (en) * 2015-06-29 2018-09-06 ヴァリアン セミコンダクター イクイップメント アソシエイツ インコーポレイテッド Thermal shielding for electrostatic chucks
JP2019049328A (en) * 2017-09-11 2019-03-28 トヨタ自動車株式会社 Multilayer heat insulating material
JP2021067254A (en) * 2019-10-28 2021-04-30 株式会社島津製作所 Vacuum pump

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